SHARMA, K C; AGRAWAL, R K. Response of improved resource levels over traditional practices on the productivity and economics of different cropping sequences. The Indian Journal of Agricultural Sciences, Delhi, India, v. 71, n. 2, 2014. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/39518. Acesso em: 24 oct. 2025.